Quote:
Originally Posted by mak91
I agree that you may have to decrease your load. I have 7 inch, 10 inch and 16 inch 300 whisper uppers. With subs the 7 inch and 16 run pretty close in fps and the 10 inch runs about 100 fps faster with about 5 different powders that I've tried.
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What kinda 100yd groups you getn with a 7in bbl? I wuda never thought of goin that short but if it still shoots good thats awsome!